Impact of Relaxation Sessions Using a Virtual Reality Application on the Sleep Quality of Caregivers Working Night Shifts

Inclusion Criteria: * State-certified nurse or nursing assistant (GHU, GHPG staff) * Regularly working night shifts and on duty in the units * Age 18 years and over * Informed individuals who have signed written consent * Individuals affiliated with a social security scheme and must be able to understand and read French. Exclusion Criteria: * No possibility of follow-up (subjects on fixed-term contracts, ongoing transfers, student reinforcements, etc.) * Subjects with insufficient command of the French language, preventing them from taking the tests * Pregnant or breastfeeding women (disruption of the sleep cycle), or women with young children. * Individuals with a pacemaker or any other implanted medical device, unless medically advised otherwise (due to the radio-magnetic waves emitted by the virtual reality headset) * Individuals with epilepsy.